81834064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20707}}^1$

素因数の和:20747

約数の個数: 40

約数和(自身を含む): 179745440

約数和(自身を除く): 97911376

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 20707, 41414, 82828, 165656, 269191, 331312, 393433, 538382, 786866, 1076764, 1573732, 2153528, 3147464, 4307056, 5114629, 6294928, 10229258, 20458516, 40917032, 81834064]

約数ペア:

[(1, 81834064), (2, 40917032), (4, 20458516), (8, 10229258), (13, 6294928), (16, 5114629), (19, 4307056), (26, 3147464), (38, 2153528), (52, 1573732), (76, 1076764), (104, 786866), (152, 538382), (208, 393433), (247, 331312), (304, 269191), (494, 165656), (988, 82828), (1976, 41414), (3952, 20707)]